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. 2013 Mar 7;14(3):5432–5444. doi: 10.3390/ijms14035432

Figure 2.

Figure 2

Images of the maximal quantum yield of PS II (variable fluorescence (Fv)/maximal fluorescence (Fm)) from a typical leaf of H. rosa-sinensis plants in control conditions and after exposure to three photoperiods (18 h, 60 μmol·m−2·s−1 PPFD and 35 °C) with reduced irrigation (water deficit). The stress photoperiods were separated by 6 h night-periods at 24 °C. The images are color-coded according to the pattern (0 to 1 × 100 range) shown below the images. The figure shows representative images from four independent experiments. The histograms show the means ± SE from four independent replicates.